Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

"We didn't know what exactly to expect from these first observations – the sun's poles are literally terra incognita,” Sami ...

The European Space Agency's Solar Orbiter spacecraft returns first-ever data of the Sun collected from a 17-degree tilted ...

The Solar Orbiter spacecraft, a joint mission between the European Space Agency and NASA, is the first to venture into a ...

This recently discovered world, some 700 kilometers in diameter, is more than a mere ice leftover on the solar system’s fringe. Its discovery, made by winnowing through historical images taken ...

The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

For the first time in history, we re seeing the Sun from an angle no one ever has: from above and below its poles. Thanks to ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be fair—but one of the largest yet discovered and with an orbit around the Sun that ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. First images unveiled from world’s largest camera Watch: SpaceX ...